diff --git a/go.mod b/go.mod
index d68110c..26bf393 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/bblfsh/libuast
 
 go 1.12
 
-require github.com/bblfsh/sdk/v3 v3.2.3
+require github.com/bblfsh/sdk/v3 v3.3.1
diff --git a/go.sum b/go.sum
index f8832d8..1479716 100644
--- a/go.sum
+++ b/go.sum
@@ -15,6 +15,8 @@ github.com/bblfsh/sdk/v3 v3.2.0 h1:iDRX/XtDb/nythacg6ptGR4hT5yyal9N7uTpaAwfRl0=
 github.com/bblfsh/sdk/v3 v3.2.0/go.mod h1:xk91IndbPcA3A7JyI27yqJgHwZcG/2OwmYJ5R1I/jgU=
 github.com/bblfsh/sdk/v3 v3.2.3 h1:k78mj0KaSQ9OY2PplyYsYGR7tsW7Zc7Ge/BPqNNrgxw=
 github.com/bblfsh/sdk/v3 v3.2.3/go.mod h1:U0RzICeJUQyBtte/N0t0VXdHdv/7x6vLvvr2E7walCM=
+github.com/bblfsh/sdk/v3 v3.3.1 h1:agX+PxBLnvH83jsVY0YMphrhQb2Wz5hUjlPY6Q6/JBQ=
+github.com/bblfsh/sdk/v3 v3.3.1/go.mod h1:U0RzICeJUQyBtte/N0t0VXdHdv/7x6vLvvr2E7walCM=
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=